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Expired Canadian patentCanada

Heating system for an oven including a plurality of oven zone locations and product selection keys

CA 1320528 C · Owner: Koether, Bernard G. · Inventors: Pasquini, Mario; Koether, Bernard G.

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The system includes a plurality of oven zone locations in a single oven in which a plurality of heating operations can take place; and a plurality of product selection keys which upon one actuation of a first key selects at least one heating parameter for a given product and which upon another actuation of a key indicates a specific oven zone location for placing the given product prior to heating.

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted July 20, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 20, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 27, 1988
GrantedJuly 20, 1993
Term endedJuly 20, 2010
Patent numberCA 1320528 C
Classification (IPC)A47J39/00 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedOct 27, 1988Patent grantedJuly 20, 1993Term endedJuly 20, 2010

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.